GRAMMCO is a state-of-the-art custom minting facility and full service precious metals refinery.

The Great American Mint Companies (Grammco) are a leading supplier of precious metals bullion products and services in North America. Grammco operates a world class bullion mint, state-of-the-art precious metals refinery, an advanced precious metals analytical laboratory, and a full service precious metals broker/dealer.

As a fully integrated buyer, refiner, manufacturer and distributer, we successfully manage the entire metals lifecycle. This lifecycle includes buying, melting, analyzing, refining, casting, extruding, rolling, blanking, rimming, burnishing, striking, and distributing silver and gold bullion products. (…read more)